Index: forgon-core/src/main/java/com/forgon/databaseadapter/service/SqlFunctionsAdapter.java
===================================================================
diff -u -r16861 -r38703
--- forgon-core/src/main/java/com/forgon/databaseadapter/service/SqlFunctionsAdapter.java	(.../SqlFunctionsAdapter.java)	(revision 16861)
+++ forgon-core/src/main/java/com/forgon/databaseadapter/service/SqlFunctionsAdapter.java	(.../SqlFunctionsAdapter.java)	(revision 38703)
@@ -65,6 +65,8 @@
 			return " nvl(length(replace(replace("+property+",'	',''),' ','')),0) ";
 		}else if(dbConnection.isSqlServer()){
 			return " isnull(len(replace(replace("+property+",'	',''),' ','')),0) ";
+		}else if(dbConnection.isMySQL()){
+			return " ifnull(length(replace(replace("+property+",'	',''),' ','')),0) ";
 		}else{
 			throw new RuntimeException("计算长度的函数暂时不支持oracle与sql server以外的数据库");
 		}